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Men's singles
2019 ASB Classic
Final
Champion	Tennys Sandgren
Runner-up	Cameron Norrie
Score	6–4, 6–2
Details
Draw	28 (4 Q / 3 WC )
Seeds	8
Events
Singles men women Doubles men women
← 2018 · ATP Auckland Open · 2020 →

Roberto Bautista Agut was the defending champion, but withdrew before the tournament began.

Tennys Sandgren won his first title on the ATP Tour, defeating Cameron Norrie in the final, 6–4, 6–2.

The top four seeds received a bye into the second round.

	Semifinals							Final
	WC	Cameron Norrie	7	4	6
		Jan-Lennard Struff	5	6	3
								WC	Cameron Norrie	4	2
									Tennys Sandgren	6	6
		Tennys Sandgren	6	6
		Philipp Kohlschreiber	4	2

^[1]

	First round							Second round							Quarterfinals							Semifinals
								1	J Isner	63	65
		M Copil	6	3	4				T Fritz	77	77
		T Fritz	4	6	6											T Fritz	63	3
	WC	C Norrie	6	6											WC	C Norrie	77	6
		B Paire	3	2				WC	C Norrie	77	6
		J Sousa	4	6	6				J Sousa	65	4
	7	D Shapovalov	6	4	4																	WC	C Norrie	7	4	6
																							J-L Struff	5	6	3
								4	P Carreño Busta	1
		R Haase	2	1				WC	D Ferrer	1r
	WC	D Ferrer	6	6											4	P Carreño Busta	65	78	67
		J-L Struff	77	2												J-L Struff	77	66	79
	LL	L Đere	65	0r					J-L Struff	6	6
	WC	R Statham	7	6				WC	R Statham	2	1
	6	H Chung	5	3

	First round							Second round							Quarterfinals							Semifinals
	9	S Johnson	5	3
		L Mayer	7	6					L Mayer	5	77	6
	Q	M McDonald	3	4					M Berrettini	7	65	3
		M Berrettini	6	6												L Mayer	3	65
	Q	M Marterer	3	4												T Sandgren	6	77
		T Sandgren	6	6					T Sandgren	6	6
								3	M Cecchinato	3	3
																							T Sandgren	6	6
	LL	P Cuevas	5	1																			P Kohlschreiber	4	2
	Q	U Humbert	7	6				Q	U Humbert	4	4
		P Kohlschreiber	6	77					P Kohlschreiber	6	6
	Q	B Klahn	4	62												P Kohlschreiber	6	6
		G Pella	1	6	2										2	F Fognini	3	1
		P Gojowczyk	6	3	6				P Gojowczyk	2	6	65
								2	F Fognini	6	3	77

	First round							Qualifying competition
	Alt	Franko Škugor	3	4
		Ugo Humbert	6	6
									Ugo Humbert	6	77
								Alt	Roberto Marcora	2	63
	WC	Ajeet Rai	6	65	4
	Alt	Roberto Marcora	3	77	6

	First round							Qualifying competition
	2	Maximilian Marterer	77	6
	Alt	Daniel Masur	62	1
								2	Maximilian Marterer	6	6
								8	Thomas Fabbiano	4	4
	WC	Finn Tearney	3	4
	8	Thomas Fabbiano	6	6

	First round							Qualifying competition
	3	Bradley Klahn	77	6
	Alt	Philipp Oswald	62	4
								3	Bradley Klahn	64	77	77
								5	Pablo Cuevas	77	63	61
		Stéphane Robert	3	2
	5	Pablo Cuevas	6	6

	First round							Qualifying competition
	4	Mackenzie McDonald	6	77
	Alt	Tim Pütz	2	65
								4	Mackenzie McDonald	7	77
								7	Laslo Đere	5	63
		Horacio Zeballos	5	2
	7	Laslo Đere	7	6

• Main Draw
• Qualifying Draw